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python Programming Glossary: default_valueCan I store a python dictionary in google's BigTable datastore without serializing it explicitly? http://stackoverflow.com/questions/1953784/can-i-store-a-python-dictionary-in-googles-bigtable-datastore-without-serializi if value is None return dict return pickle.loads value def default_value self if self.default is None return dict else return super DictProperty.. is None return dict else return super DictProperty self .default_value .copy def validate self value if not isinstance value dict raise..
What is the best way to get the first item from an iterable matching a condition? http://stackoverflow.com/questions/2361426/what-is-the-best-way-to-get-the-first-item-from-an-iterable-matching-a-condition element is found next x for x in the_iterable if x 3 default_value if you want default_value e.g. None to be returned instead... x for x in the_iterable if x 3 default_value if you want default_value e.g. None to be returned instead. Note that you need an extra..
http://stackoverflow.com/questions/4906977/python-environment-variables instead of None print os.getenv 'KEY_THAT_MIGHT_EXIST' default_value Python default installation on Windows is c Python. If you want..
dict.get() method returns a pointer http://stackoverflow.com/questions/7153893/dict-get-method-returns-a-pointer returns a pointer Let's say I have this code my_dict default_value 'surname' '' 'age' 0 # get info about john or a default dict.. info about john or a default dict item my_dict.get 'john' default_value # edit the data item surname 'smith' item age 68 my_dict 'john'.. The problem becomes clear if we now check the value of default_value default_value 'age' 68 'surname' 'smith' It is obvious that..
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